1328900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 2934708

約数和(自身を除く): 1605808

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 137, 194, 274, 388, 485, 548, 685, 970, 1370, 1940, 2425, 2740, 3425, 4850, 6850, 9700, 13289, 13700, 26578, 53156, 66445, 132890, 265780, 332225, 664450, 1328900]

約数ペア:

[(1, 1328900), (2, 664450), (4, 332225), (5, 265780), (10, 132890), (20, 66445), (25, 53156), (50, 26578), (97, 13700), (100, 13289), (137, 9700), (194, 6850), (274, 4850), (388, 3425), (485, 2740), (548, 2425), (685, 1940), (970, 1370)]